Whats the magnitude of the electric field at an on-axis
What's the magnitude of the electric field at an on-axis point a distance of .7m from a ring of charge with a total charge of .8microC and a radius of .5m? The answer is 7900N/C
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A three-phase Y- connected load is rated at 240 volts with power factor .95 (lagging), if the total apparent power is 240 KVA, compute: a. the phase currents (in polar form). There are 3 values. b. the active and the reactive power of the load at it
A camera's flash uses the energy stored in a 270µF capacitor charged to 170V. The current in the charging circuit is not to exceed 23mA. What's the resistance in the charging circuit
Consider the causal LTI system with system function H(s)=Y(s)/X(s)=1/(s+2)^2 If the input is x(t)=sin(2t) for t>0, find an approximate expression for the response y(t) that is valid for large t.
A Venturi meter measures fluid speed in a pipe. A constriction (of cross-sectional area A2) is put in a pipe of normal cross-sectional area A1 (A1 = 2A2). Find the ratio of the flow speeds
What's the magnitude of the electric field at an on-axis point a distance of .7m from a ring of charge with a total charge of .8microC
Recall that the median is the value in an ordered list of values above and below which there is an equal number of values. The median filter is often employed when one wishes to remove zero-mean additive noise while preserving sharp edges in the o
Consider a causal LTI system defined by the following differential equation d^2y(t)/dt^2 + 2dy(t)/dt = dx(t)/dt + x(t). Find the zero-state response of this system when the input is x(t)=4e^-2t u(t)
Two point charges -2Q and +3Q are on the x-axis, -2Q at the origin and +3Q at x = D. Find two points on the x-axis within the vicinity of the charges where the electric potential is zero
Two large parallel metal plates are 1.4 cm apart and have charges of equal magnitude but opposite signs on their facing surfaces. what is the electric field (in V/m) in the region between the plates
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